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Do you know how to hide fog in a glass? And how to turn an egg into a rubber ball? You don't have to be a wizard or magician to do this. All you need is a few ingredients that can be found in the kitchen, know the safety rules, and be open to the world and curious, like Lesyk, the hero of this book. He conducts interesting chemical experiments with his older brother and sister, and together they discover a lot of new things about atoms, molecules, protons, crystals, and why ice can be hot. So, if you want to know what our Universe is made of and are ready to become a real scientist, start reading Lesya's fascinating stories. Experiment and find out! For primary school age.